28" x 8" Cube Core Eggcrate Return Air Filter Grille for 1" Filter steel text-align: left

text-align: left

Design – removable door/face for easy filter change & cleaning - uses a 1" thick filter

+ Product Details Size - 32"w X 4"h is the size for the duct opening measurement only

+ Product Details Perfect Fit & Easy Sizing - Designed for a 10" x 16" or 16" x 10" duct opening (measured at the opening)

28" x 8" Cube Core Eggcrate Return Air Filter Grille for 1" Filter steel text-align: left+ Product Details Perfect Fit & Easy Sizing Designed for a 28" x 8" OR 8" x 28" duct opening (measured at the opening), with actual outer dimensions of 30. 5" W x 10. 5" H. Please check the measuring guide to ensure a proper fit. Filter Size 27. 75" x 5. 75" x 1" Premium Airflow Efficiency High performance cube core eggcrate design allows 95% airflow efficiency, reducing energy costs and maximizing HVAC system lifespan. Durable, Rust Free Aluminum